Using the following financial data of Google LLC for the years 2019, 2020, and 2021, perform the financial analysis:

	2019	2020	2021
Revenue	$161,857	$182,527	$257,637
Cost of Revenue	$69,706	$78,046	$110,934
Gross Profit	$92,151	$104,481	$146,703
Operating Expenses	$45,751	$52,211	$69,531
Operating Income	$46,400	$52,270	$77,172
Net Income	$34,343	$40,269	$56,540

	2019	2020	2021
Total Assets	$275,909	$319,616	$359,268
Total Liabilities	$74,427	$97,392	$103,693
Shareholders' Equity	$201,482	$222,224	$255,575

Requirements:

1. Calculate the operating profit margin for each year.
2. Determine the net profit margin for each year.
3. Calculate the return on assets (ROA) for each year.
4. Compute the return on equity (ROE) for each year.
5. Analyze the financial health and performance trend of Google LLC.